ITGuru Systems Limited

ITGuru Systems Limited ITGuru Systems Limited help organizations drive rapid, progressive change from their IT.

Powershell Script not digitally signed? Here is how to fix this permanently.
14/02/2022

Powershell Script not digitally signed? Here is how to fix this permanently.

Powershell Script not Digitally Signed? Here is how to fix this with one single command.

Exchange Server OWA and ECP not working (Exchange 2016/19)
14/02/2022

Exchange Server OWA and ECP not working (Exchange 2016/19)

I recently carried out restarts on my exchange servers after successful installation latest batch of Windows Updates and realized that the OWA and ECP...

How to check if your Windows License is Retail, OEM or Volume.
01/12/2021

How to check if your Windows License is Retail, OEM or Volume.

How to check using command prompt or powershell the type of windows license - Retail, OEM or Volume - running on your machine.

Force Time Sync on Windows Server or Client
22/11/2021

Force Time Sync on Windows Server or Client

Numerous issues on Windows Server/Client arise from misconfigured time. Use steps provided to Sync Time on Windows Server or Client.

Pseudocode to truncate exchange logs
08/10/2021

Pseudocode to truncate exchange logs

Provided is a simple, and yet powerful pseudocode to save disk space by truncating your exchange server logs.

Check and remove quarantined mailboxes from Exchange 2013/2016
04/10/2021

Check and remove quarantined mailboxes from Exchange 2013/2016

Check and remove mailboxes that get quarantined from Microsoft Exchange 2013/16.

Merge differencing disks to the boot Hyper-V machine
21/09/2021

Merge differencing disks to the boot Hyper-V machine

How to manually merge differencing disks (AVHD/AVHDX) to the original HyperV machine VHD/VHDX files without data loss.

Copy files between Windows Servers ...
15/09/2021

Copy files between Windows Servers ...

Robocopy is by far the best method by far to copy files between Windows servers that I have come across while retaining the NTFS security.

Five ways to build a strong charater.
14/09/2021

Five ways to build a strong charater.

Continue practicing these five tips to build your character. Realize what your shortcomings are and find different ways to improve yourself.

SQL Server 2012/14 Express Edition fails after installation ...
10/09/2021

SQL Server 2012/14 Express Edition fails after installation ...

SQL Server 2012/14 Express Edition fails after installation generating event ID 17207/17204 in event viewer.

Can't sign in to OWA or EAC if Exchange Auth is expired.
01/09/2021

Can't sign in to OWA or EAC if Exchange Auth is expired.

Can't sign in to Outlook on the web or EAC if Exchange Server Open Authentication (OAuth) certificate is expired, not present or deleted.

Configure Mikrotik to NAT between LAN ports.
28/07/2021

Configure Mikrotik to NAT between LAN ports.

Successfully configure RouterOS on Mikrotik router to allow NATing between two or more LAN ports using this simple trick.

Address

Rooftop, Doctors Park
Nairobi

Opening Hours

Monday 08:30 - 17:00
Tuesday 08:30 - 17:00
Wednesday 08:30 - 17:00
Thursday 08:30 - 17:00
Friday 08:30 - 17:00
Saturday 09:00 - 13:00

Telephone

+254728327755

Website

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